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Diffstat (limited to 'include/media/ir-core.h')
| -rw-r--r-- | include/media/ir-core.h | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/include/media/ir-core.h b/include/media/ir-core.h deleted file mode 100644 index ad1303f20e0..00000000000 --- a/include/media/ir-core.h +++ /dev/null @@ -1,148 +0,0 @@ -/* - * Remote Controller core header - * - * Copyright (C) 2009-2010 by Mauro Carvalho Chehab <mchehab@redhat.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef _IR_CORE -#define _IR_CORE - -#include <linux/spinlock.h> -#include <linux/kfifo.h> -#include <linux/time.h> -#include <linux/timer.h> -#include <media/rc-map.h> - -extern int ir_core_debug; -#define IR_dprintk(level, fmt, arg...) if (ir_core_debug >= level) \ - printk(KERN_DEBUG "%s: " fmt , __func__, ## arg) - -enum rc_driver_type { - RC_DRIVER_SCANCODE = 0, /* Driver or hardware generates a scancode */ - RC_DRIVER_IR_RAW, /* Needs a Infra-Red pulse/space decoder */ -}; - -/** - * struct ir_dev_props - Allow caller drivers to set special properties - * @driver_type: specifies if the driver or hardware have already a decoder, - * or if it needs to use the IR raw event decoders to produce a scancode - * @allowed_protos: bitmask with the supported IR_TYPE_* protocols - * @scanmask: some hardware decoders are not capable of providing the full - * scancode to the application. As this is a hardware limit, we can't do - * anything with it. Yet, as the same keycode table can be used with other - * devices, a mask is provided to allow its usage. Drivers should generally - * leave this field in blank - * @priv: driver-specific data, to be used on the callbacks - * @change_protocol: allow changing the protocol used on hardware decoders - * @open: callback to allow drivers to enable polling/irq when IR input device - * is opened. - * @close: callback to allow drivers to disable polling/irq when IR input device - * is opened. - */ -struct ir_dev_props { - enum rc_driver_type driver_type; - unsigned long allowed_protos; - u32 scanmask; - void *priv; - int (*change_protocol)(void *priv, u64 ir_type); - int (*open)(void *priv); - void (*close)(void *priv); -}; - -struct ir_input_dev { - struct device dev; /* device */ - char *driver_name; /* Name of the driver module */ - struct ir_scancode_table rc_tab; /* scan/key table */ - unsigned long devno; /* device number */ - const struct ir_dev_props *props; /* Device properties */ - struct ir_raw_event_ctrl *raw; /* for raw pulse/space events */ - struct input_dev *input_dev; /* the input device associated with this device */ - - /* key info - needed by IR keycode handlers */ - spinlock_t keylock; /* protects the below members */ - bool keypressed; /* current state */ - unsigned long keyup_jiffies; /* when should the current keypress be released? */ - struct timer_list timer_keyup; /* timer for releasing a keypress */ - u32 last_keycode; /* keycode of last command */ - u32 last_scancode; /* scancode of last command */ - u8 last_toggle; /* toggle of last command */ -}; - -enum raw_event_type { - IR_SPACE = (1 << 0), - IR_PULSE = (1 << 1), - IR_START_EVENT = (1 << 2), - IR_STOP_EVENT = (1 << 3), -}; - -#define to_ir_input_dev(_attr) container_of(_attr, struct ir_input_dev, attr) - -/* From ir-keytable.c */ -int __ir_input_register(struct input_dev *dev, - const struct ir_scancode_table *ir_codes, - const struct ir_dev_props *props, - const char *driver_name); - -static inline int ir_input_register(struct input_dev *dev, - const char *map_name, - const struct ir_dev_props *props, - const char *driver_name) { - struct ir_scancode_table *ir_codes; - struct ir_input_dev *ir_dev; - int rc; - - if (!map_name) - return -EINVAL; - - ir_codes = get_rc_map(map_name); - if (!ir_codes) - return -EINVAL; - - rc = __ir_input_register(dev, ir_codes, props, driver_name); - if (rc < 0) - return -EINVAL; - - ir_dev = input_get_drvdata(dev); - - if (!rc && ir_dev->props && ir_dev->props->change_protocol) - rc = ir_dev->props->change_protocol(ir_dev->props->priv, - ir_codes->ir_type); - - return rc; -} - -void ir_input_unregister(struct input_dev *input_dev); - -void ir_repeat(struct input_dev *dev); -void ir_keydown(struct input_dev *dev, int scancode, u8 toggle); -u32 ir_g_keycode_from_table(struct input_dev *input_dev, u32 scancode); - -/* From ir-raw-event.c */ - -struct ir_raw_event { - unsigned pulse:1; - unsigned duration:31; -}; - -#define IR_MAX_DURATION 0x7FFFFFFF /* a bit more than 2 seconds */ - -void ir_raw_event_handle(struct input_dev *input_dev); -int ir_raw_event_store(struct input_dev *input_dev, struct ir_raw_event *ev); -int ir_raw_event_store_edge(struct input_dev *input_dev, enum raw_event_type type); -static inline void ir_raw_event_reset(struct input_dev *input_dev) -{ - struct ir_raw_event ev = { .pulse = false, .duration = 0 }; - ir_raw_event_store(input_dev, &ev); - ir_raw_event_handle(input_dev); -} - -#endif /* _IR_CORE */ |